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ATI Super Damper SFI 18.1 Harmonic Balancer 6.325 in OD Black Oxide Internal Balance Small Block Chevy 917781 Rack and Pinion roll pin and setup spacerNylon FIV20002 41551 OR roll pin and setup spacerNylon pads ensure smooth operation of the advance weightsAdvance weight pins are staked and tig welded to the plateMechanical advance assembly can be locked out for crank trigger systemsAdvance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionPolished steel shaft is QPQ coated and guided by a sealed ball bearingCNC machined billet aluminum housing and billet aluminum baseMaintenance free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangeVacuum advance canister for improved economy (can be locked out)Easy to adjust mechanical advance with supplied springs and stop bushingsPowerful built in module produces a 7 Fits T 101 Super Damper Harmonic Balancer
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Frequently Asked Questions for ATI Super Damper SFI 18.1 Harmonic Balancer - 6.325 in OD - Black Oxide - Internal Balance - Small Block Chevy 917781 Rack and Pinion roll pin and setup spacerNylon FIV20002-41551-OR
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